Drosanthemum decumbens (Aizoaceae), a New Status for an Obligatory Cremnophyte from the Western Cape, South Africa

Ernst J. van Jaarsveld

doi:10.2985/026.024.0102

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Ernst J. van Jaarsveld¹

¹Babylons Toren Farm, P.O Box 167, Simondium, 7670, Republic of South Africa. Extraordinary senior le

Abstract

An obligatory cremnophyte, Delosperma expersum var. decumbens is transferred to the genus Drosanthemum and raised to species level. Drosanthemum decumbens grows on upper quartzitic sandstone cliff faces of the Table Mountain Group (Cape Supergroup) in the Ceres and Worcester region of the Western Cape, South Africa. It differs from Drosanthemum expersum by its re-sprouting lignotuber, procumbent to pendent stems, shorter pedicels 10–15 (–35) mm long, and fruiting capsules turning reddish before drying.

Citation Download Citation

Ernst J. van Jaarsveld "Drosanthemum decumbens (Aizoaceae), a New Status for an Obligatory Cremnophyte from the Western Cape, South Africa," Haseltonia 2018(24), 2-6, (1 August 2018). https://doi.org/10.2985/026.024.0102

Received: 15 June 2017; Published: 1 August 2018

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